Index
- Pachysandra procumbens, Allegheny-spurge
- Packera anonyma, Small's ragwort, southern ragwort
- Packera glabella, butterweed, golden ragwort.
- Paederia cruddasiana, skunk-vine
- Paederia foetida, skunk-vine
- Palafoxia feayi, palafox
- Palafoxia integrifolia, many-wings
- Panicum abscissum, cutthroat grass
- Panicum amarum, bitter panic grass
- Panicum anceps, beaked panic grass
- Panicum dichotomiflorum var. bartowense, fall panicgrass
- Panicum hemitomon, maidencane
- Panicum maximum, Guinne grass
- Panicum repens, torpedo grass
- Panicum rigidulum, redtop panic grass
- Panicum verrucosum, warty panic grass
- Panicum virgatum, switchgrass
- Parietaria floridana, Florida pellitory
- Parnassia caroliniana, Carolina grass-of-parnassus
- Parnassia grandifolia, large-flowered grass-of-parnassus
- Paronychia americana, American nailwort
- Paronychia chartacea ssp. chartacea, paper-like nailwort
- Paronychia chartacea subsp. minima, crystal lake nailwort
- Paronychia herniarioides, nailwort
- Paronychia patula, nailwort
- Paronychia rugelii, sandsquares
- Parthenium hysterophorus, Santa Maria, dogflea weed
- Parthenocissus quinquefolia, woodbine, Virginia creeper
- Paspalidium geminatum, Egyptian paspalidium
- Paspalum boscianum, bull paspalum
- Paspalum conjugatum, sour paspalum
- Paspalum dilatatum, dallis grass
- Paspalum floridanum, Florida paspalum
- Paspalum laeve, field paspalum
- Paspalum notatum, bahiagrass
- Paspalum notatum var. saurae, bahiagrass
- Paspalum praecox, early paspalum
- Paspalum repens, water paspalum
- Paspalum setaceum, thin paspalum
- Paspalum urvillei, vaseygrass
- Passiflora coccinea, red passion-flower
- Passiflora edulis, purple granadilla, passion-fruit
- Passiflora incarnata, passion vine, maypop maypop
- Passiflora lutea, passion-flower
- Passiflora suberosa, corky passion-flower
- passiflora vitifolia, perfumed passionflower
- Pecluma dispersa, widespread polypody fern
- Pecluma plumula, plumose polypody fern
- Pecluma ptilodon var. caespitosa, swamp polypody fern, comb polypody
- Pectis prostrata, chicken-weed
- Pedicularis canadensis, lousewort, wood betony
- Pediomelum canescens, buckroot
- Peltandra sagittifolia, spoonflower
- Pennisetum purpureum, napier grass, elephantgrass
- Pennisetum setaceum, fountaingrass
- Penstemon multiflorus, manyflower beardtongue
- Pentalinon luteum, wild allamanda
- Penthorum sedoides, ditch stonecrop
- Peperomia humilis, terrestrial peppervine
- Peperomia obtusifolia, blunt-leaved peperomia
- Persea borbonia, red bay
- Persea humilis, scrub bay
- Persea palustris, swamp bay
- Petiveria alliacea, guinea-hen weed
- Phegopteris hexagonoptera, southern beech fern
- Philadelphus inodorus, scentless mockorange
- Phlebodium aureum, golden polypody fern
- Phleum pratense, timothy
- Phlox amoena, hairy phlox
- Phlox divaricata, blue phlox
- Phlox drummondii, annual phlox
- Phlox floridana, Florida phlox
- Phlox glaberrima, smooth phlox
- Phlox pilosa, downy phlox
- Phoebanthus grandiflorus, phoebanthus
- Phoebanthus tenuifolius, narrow-leaved phoebanthus
- Phoenix reclinata, Senegal date palm
- Phoradendron leucarpum, mistletoe
- Phoradendron rubrum, mahogony mistletoe
- Photinia pyrifolia, red chokeberry
- Phragmites australis, common reed
- Phyla nodiflora, frog's bit
- Phyla stoechadifolia, southern frogfruit
- Physalis angulata, cutleaf ground-cherry
- Physalis angustifolia, coastal ground-cherry
- Physalis walteri, Walter's ground-cherry
- Physocarpus opulifolius, ninebark
- Physostegia godfreyi, Apalachicola dragon-head
- Physostegia leptophylla, slender-leaved dragon-head
- Physostegia purpurea, obedient plant
- Physostegia virginiana, obedient plant, false dragon-head
- Phytolacca americana, common pokeweed
- Picramnia pentandra, Florida bitterbush
- Pieris phyllyreifolia, climbing heather, climbing pieris
- Pilea microphylla, artillery plant
- Piloblephis rigida, pennyroyal
- Pinckneya bracteata, hairy fever tree
- Pinguicula caerulea, blue pinguicula (butterwort)
- Pinguicula ionantha, violet-flowered pinguicula, panhandle butterwort
- Pinguicula lutea, yellow pinguicula (butterwort)
- Pinguicula planifolia, Chapman's pinguicula (butterwort)
- Pinguicula pumila, small pinguicula (butterwort)
- Pinus clausa, sand pine
- Pinus echinata, shortleaf pine
- Pinus elliottii, slash pine
- Pinus glabra, spruce pine
- Pinus palustris, longleaf pine
- Pinus serotina, pond pine
- Pinus taeda, loblolly pine
- Piriqueta cistoides subsp. caroliniana, piriqueta
- Piscidia piscipula, Jamaica-dogwood, fish-poison tree
- Pisonia aculeata, devil's-claws
- Pisonia rotundata, cockspur, pisonia, blolly
- Pistia stratiotes, water-lettuce
- Pithecellobium keyense, Florida Keys blackbead
- Pithecellobium unguis-cati, cat's-claw, catclaw blackbead
- Pityopsis aspera, …
- Pityopsis flexuosa, bent goldenaster
- Pityopsis graminifolia, silk-grass
- Pityopsis oligantha, grassleaf silk-grass, grassleaf goldenaster
- Plantago aristata, bracted plantain
- Plantago lanceolata, English plantain
- Plantago major, common plantain
- Plantago virginica, southern plantain
- Plantago wrightiana, Wright's plantain
- Platanthera ciliaris, yellow fringed orchid
- Platanthera cristata, golden fringed orchid, crested yellow orchid
- Platanthera integra, orange reinorchid, yellow fringeless orchid
- Platanthera nivea, snowy fringed orchid
- Platanus occidentalis, sycamore, plane-tree
- Platytheles latifolia, low ground orchid
- Pleurothallis gelida, frost-flower orchid
- Pluchea baccharis, rosy camphor-weed
- Pluchea camphorata, marsh camphorweed
- Pluchea carolinensis, camphorweed
- Pluchea foetida, stinking camphor-weed, white camphorweed
- Pluchea longifolia, long-leaf white camphor-weed
- Pluchea odorata, camphorweed
- Plumbago auriculata, leadwort, plumbago, skyflower
- Poa annua, annual bluegrass
- Podophyllum peltatum, may-apple
- Pogonia bifaria, Fernald's pogonia
- Pogonia ophioglossoides, rose pogonia
- Poinsettia cyathophora, painted-leaf
- Poinsettia heterophylla, fiddler's spurge
- Poinsettia pinetorum, rockland painted-leaf
- Polanisia tenuifolia, pineland catchfly
- Polygala balduinii, white batchelor's button, Balduin's milkwort
- Polygala boykinii, Boykin's few-leaved milkwort
- Polygala crenata, scalloped milkwort
- Polygala cruciata, drumheads, cross-leaved milkwort
- Polygala cymosa, tall pine-barren milkwort
- Polygala grandiflora, milkwort
- Polygala hookeri, Hooker's milkwort
- Polygala incarnata, procession flower
- Polygala lewtonii, scrub milkwort
- Polygala lutea, orange milkwort
- Polygala nana, dwarf milkwort, candyroot
- Polygala polygama, racemed milkwort
- Polygala ramosa, low pinebarren milkwort
- Polygala rugelii, yellow batchelor's button
- Polygala setacea, coastalplain milkwort
- Polygonella basiramia, hairy jointweed, Florida jointweed
- Polygonella gracilis, wireweed, tall jointweed
- Polygonella myriophylla, Small's jointweed
- Polygonella polygama, jointweed, Octoberflower
- Polygonella robusta, largeflower jointweed, sandhill wireweed
- Polygonum glabrum, denseflower smartweed
- Polygonum hirsutum, hairy smartweed
- Polygonum hydropiperoides, mild water-pepper, swamp smartweed
- Polygonum pensylvanicum, pinkweed, Pennsylvania smartweed
- Polygonum persicaria, heartweed, spotted lady'sthumb
- Polygonum punctatum, dotted smartweed
- Polygonum sagittatum, arrowleaf smartweed
- Polygonum setaceum, swamp smartweed, bristly smartweed
- Polypodium polypodioides var. michauxium, ressurection fern
- Polypremum procumbens, rustweed
- Polyrrhiza lindenii, ghost orchid
- Polystachya concreta, pale-flowered polystachya
- Polystichum acrostichoides, Christmas fern
- Poncirus trifoliata, hardy orange, mock orange.
- Pontederia cordata, pickerelweed
- Populus alba, white cottonwood
- Populus deltoides, eastern cottonwood
- Portulaca amilis, broadleaf pink purslane, Paraguayan purslane
- Portulaca pilosa, pink purslane, kiss-me-quick
- Potamogeton crispus, curlyleaf pondweed
- Potamogeton illinoensis, Illinois pondweed
- Potamogeton pectinatus, fennel-leaved pondweed, sago pondweed
- Potentilla recta, sulphur cinquefoil
- Prenanthes serpentaria, lion's-foot
- Proserpinaca palustris, mermaid-weed
- Proserpinaca pectinata, mermaid-weed
- Prosthechea cochleata, shell orchid
- Prunella vulgaris, selfheal, carpenter weed
- Prunus americana, wild plum
- Prunus angustifolia, chickasaw plum
- Prunus caroliniana, cherry-laurel, laurel cherry
- Prunus geniculata, scrub plum
- Prunus persica, peach, nectarine
- Prunus serotina, black cherry
- Prunus umbellata, hog plum, flatwoods plum
- Pseudognaphalium obtusifolium, rabbit tobacco, sweet everlasting
- Pseudolycopodiella caroliniana, slender club-moss
- Psidium cattleianum, strawberry guava
- Psidium guajava, guava
- Psidium longipes, long-stalked stopper, trailing eugenia
- Psilotum nudum, whisk fern
- Psychotria nervosa, shiny-leaf wild-coffee
- Psychotria sulzneri, dull-leaf wild-coffee
- Ptelea trifoliata, wafer-ash, water-ash
- Pteridium aquilinum, bracken fern
- Pteridium aquilinum var. caudatum, Bracken fern
- Pteris bahamensis, Bahama brake fern
- Pteris cretica, cretan brake fern
- Pteris vittata, Chinese ladder brake fern
- Pterocaulon pycnostachyum, blackroot
- Pteroglossaspis ecristata, wild coco
- Ptilimnium capillaceum, mock bishop's-weed
- Pueraria montana var. lobata, kudzu
- Pycnanthemum albescens, whiteleaf mountainmint
- Pycnanthemum floridanum, Florida mountainmint, Florida horsemint
- Pyrostegia venusta, flamevine
- Pyrrhopappus carolinianus, leafy false-dandelion
- Pyrus calleryana, red-spire, callery pear
- Pyrus communis, pear